Selon Alexandru Stefan-Voicu <[EMAIL PROTECTED]>: > I tried every option tcpdump has, and finnaly ran into the "do not do > reverse lookup one". And a "tcpdump -n | grep <interesting port>" works !!!
Do you know that using a pipe (|) will buffer output? And do you know that tcpdump and grep buffers their output too? You will always miss information using "tcpdump | grep"! You may use the "-l" option to tcpdump to stop buffering output. But you'd better use the tcpdump option directly for good filtering. Eg: tcpdump -lni eth0 'tcp port (3306 or 389 or 3128)' Regards, J.C. -- Jean Christophe Andr� <[EMAIL PROTECTED]> http://www.auf.org/ Administrateur Syst�mes et R�seaux et Responsable Technique R�gional au Bureau Asie-Pacifique de l'Agence universitaire de la Francophonie -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
